Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 10 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/26/2017   19:27:55   (  -0.26,-134.99) (  -0.44,-134.16)   94.73                80
 10/27/2017   07:49:19   (   0.25,-134.98) (  -0.67,-139.35)  496.78                80
 10/28/2017   19:15:44   (  -0.25,-134.92) (  -1.05,-131.20)  423.36                80
 10/29/2017   07:37:07   (   0.25,-134.90) (  -0.05,-136.39)  168.49                80
 10/31/2017   07:22:15   (   0.25,-134.82) (   0.56,-133.43)  159.20                80
 10/31/2017   19:43:30   (  -0.24,-134.79) (   0.57,-138.58)  430.51                80
 11/02/2017   07:10:03   (   0.25,-134.74) (   1.18,-130.47)  486.28                80
 11/02/2017   19:31:18   (  -0.24,-134.71) (  -0.05,-135.62)  103.39                80
 11/04/2017   19:21:46   (  -0.24,-134.61) (  -0.67,-132.66)  222.88                80
 11/05/2017   07:43:10   (   0.23,-134.61) (  -0.43,-137.85)  367.82                80
 11/07/2017   07:30:57   (   0.23,-134.50) (   0.14,-134.87)   42.76                80